Simplify. Assume that all factors in radicands represent real numbers that are greater than or equal to 0.
A. 
B. 
C. 
D. none of these
Answer: C
Mathematics
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. z = 2 B. z = 1 C. z = -1 D. z = 0
Mathematics
Solve the problem.An object is traveling around a circle with a radius of 10 centimeters. If in 20 seconds a central angle of 
radian is swept out, what is the linear speed of the object?
A. 
cm/sec
B. 6 cm/sec
C. 6 radians/sec
D. 
radians/sec
Mathematics
Let Z be the standard normal variable. Find the value of z if z satisfies 
. Round your answer to the nearest hundredth.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the equation of the transverse axis of the hyperbola.x2 - y2 = 200
A. y = 200x B. y = -x C. x = 0 (y-axis) D. y = 0 (x-axis)
Mathematics